risingwave_meta_model

Struct DataType

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pub struct DataType(pub(crate) Vec<u8>);

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§0: Vec<u8>

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impl DataType

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pub fn to_protobuf(&self) -> PbDataType

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pub(crate) fn from_protobuf(val: &PbDataType) -> Self

Trait Implementations§

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impl Clone for DataType

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fn clone(&self) -> DataType

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for DataType

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Default for DataType

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl<'de> Deserialize<'de> for DataType

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl From<&DataType> for DataType

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fn from(value: &PbDataType) -> Self

Converts to this type from the input type.
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impl From<DataType> for Value

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fn from(source: DataType) -> Self

Converts to this type from the input type.
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impl Nullable for DataType

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fn null() -> Value

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impl PartialEq for DataType

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fn eq(&self, other: &DataType) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Serialize for DataType

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl TryGetable for DataType

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fn try_get_by<I: ColIdx>(res: &QueryResult, idx: I) -> Result<Self, TryGetError>

Get a value from the query result with an ColIdx
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fn try_get(res: &QueryResult, pre: &str, col: &str) -> Result<Self, TryGetError>

Get a value from the query result with prefixed column name
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fn try_get_by_index( res: &QueryResult, index: usize, ) -> Result<Self, TryGetError>

Get a value from the query result based on the order in the select expressions
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impl ValueType for DataType

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fn try_from(v: Value) -> Result<Self, ValueTypeErr>

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fn type_name() -> String

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fn array_type() -> ArrayType

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fn column_type() -> ColumnType

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fn unwrap(v: Value) -> Self

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fn expect(v: Value, msg: &str) -> Self

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impl Eq for DataType

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impl StructuralPartialEq for DataType

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<T> ExprTrait for T
where T: Into<SimpleExpr>,

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fn as_enum<N>(self, type_name: N) -> SimpleExpr
where N: IntoIden,

Express a AS enum expression. Read more
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fn binary<O, R>(self, op: O, right: R) -> SimpleExpr
where O: Into<BinOper>, R: Into<SimpleExpr>,

Create any binary operation Read more
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fn cast_as<N>(self, type_name: N) -> SimpleExpr
where N: IntoIden,

Express a CAST AS expression. Read more
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fn unary(self, op: UnOper) -> SimpleExpr

Apply any unary operator to the expression. Read more
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fn add<R>(self, right: R) -> SimpleExpr
where R: Into<SimpleExpr>,

Express an arithmetic addition operation. Read more
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fn and<R>(self, right: R) -> SimpleExpr
where R: Into<SimpleExpr>,

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fn between<A, B>(self, a: A, b: B) -> SimpleExpr
where A: Into<SimpleExpr>, B: Into<SimpleExpr>,

Express a BETWEEN expression. Read more
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fn div<R>(self, right: R) -> SimpleExpr
where R: Into<SimpleExpr>,

Express an arithmetic division operation. Read more
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fn eq<R>(self, right: R) -> SimpleExpr
where R: Into<SimpleExpr>,

Express an equal (=) expression. Read more
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fn equals<C>(self, col: C) -> SimpleExpr
where C: IntoColumnRef,

Express a equal expression between two table columns, you will mainly use this to relate identical value between two table columns. Read more
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fn gt<R>(self, right: R) -> SimpleExpr
where R: Into<SimpleExpr>,

Express a greater than (>) expression. Read more
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fn gte<R>(self, right: R) -> SimpleExpr
where R: Into<SimpleExpr>,

Express a greater than or equal (>=) expression. Read more
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fn in_subquery(self, sel: SelectStatement) -> SimpleExpr

Express a IN sub-query expression. Read more
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fn in_tuples<V, I>(self, v: I) -> SimpleExpr
where V: IntoValueTuple, I: IntoIterator<Item = V>,

Express a IN sub expression. Read more
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fn is<R>(self, right: R) -> SimpleExpr
where R: Into<SimpleExpr>,

Express a IS expression. Read more
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fn is_in<V, I>(self, v: I) -> SimpleExpr
where V: Into<SimpleExpr>, I: IntoIterator<Item = V>,

Express a IN expression. Read more
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fn is_not<R>(self, right: R) -> SimpleExpr
where R: Into<SimpleExpr>,

Express a IS NOT expression. Read more
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fn is_not_in<V, I>(self, v: I) -> SimpleExpr
where V: Into<SimpleExpr>, I: IntoIterator<Item = V>,

Express a NOT IN expression. Read more
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fn is_not_null(self) -> SimpleExpr

Express a IS NOT NULL expression. Read more
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fn is_null(self) -> SimpleExpr

Express a IS NULL expression. Read more
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fn left_shift<R>(self, right: R) -> SimpleExpr
where R: Into<SimpleExpr>,

Express a bitwise left shift. Read more
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fn like<L>(self, like: L) -> SimpleExpr
where L: IntoLikeExpr,

Express a LIKE expression. Read more
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fn lt<R>(self, right: R) -> SimpleExpr
where R: Into<SimpleExpr>,

Express a less than (<) expression. Read more
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fn lte<R>(self, right: R) -> SimpleExpr
where R: Into<SimpleExpr>,

Express a less than or equal (<=) expression. Read more
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fn modulo<R>(self, right: R) -> SimpleExpr
where R: Into<SimpleExpr>,

Express an arithmetic modulo operation. Read more
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fn mul<R>(self, right: R) -> SimpleExpr
where R: Into<SimpleExpr>,

Express an arithmetic multiplication operation. Read more
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fn ne<R>(self, right: R) -> SimpleExpr
where R: Into<SimpleExpr>,

Express a not equal (<>) expression. Read more
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fn not(self) -> SimpleExpr

Negates an expression with NOT. Read more
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fn not_between<A, B>(self, a: A, b: B) -> SimpleExpr
where A: Into<SimpleExpr>, B: Into<SimpleExpr>,

Express a NOT BETWEEN expression. Read more
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fn not_equals<C>(self, col: C) -> SimpleExpr
where C: IntoColumnRef,

Express a not equal expression between two table columns, you will mainly use this to relate identical value between two table columns. Read more
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fn not_in_subquery(self, sel: SelectStatement) -> SimpleExpr

Express a NOT IN sub-query expression. Read more
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fn not_like<L>(self, like: L) -> SimpleExpr
where L: IntoLikeExpr,

Express a NOT LIKE expression. Read more
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fn or<R>(self, right: R) -> SimpleExpr
where R: Into<SimpleExpr>,

Express a logical OR operation. Read more
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fn right_shift<R>(self, right: R) -> SimpleExpr
where R: Into<SimpleExpr>,

Express a bitwise right shift. Read more
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fn sub<R>(self, right: R) -> SimpleExpr
where R: Into<SimpleExpr>,

Express an arithmetic subtraction operation. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> FromRef<T> for T
where T: Clone,

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fn from_ref(input: &T) -> T

Converts to this type from a reference to the input type.
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impl<V> FromValueTuple for V
where V: Into<Value> + ValueType,

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fn from_value_tuple<I>(i: I) -> V
where I: IntoValueTuple,

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impl<T> FutureExt for T

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fn with_context(self, otel_cx: Context) -> WithContext<Self>

Attaches the provided Context to this type, returning a WithContext wrapper. Read more
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fn with_current_context(self) -> WithContext<Self>

Attaches the current Context to this type, returning a WithContext wrapper. Read more
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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> IntoRequest<T> for T

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fn into_request(self) -> Request<T>

Wrap the input message T in a tonic::Request
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impl<T> IntoResult<T> for T

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type Err = Infallible

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fn into_result(self) -> Result<T, <T as IntoResult<T>>::Err>

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impl<V> IntoValueTuple for V
where V: Into<Value>,

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fn into_value_tuple(self) -> ValueTuple

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impl<M> MetricVecRelabelExt for M

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fn relabel( self, metric_level: MetricLevel, relabel_threshold: MetricLevel, ) -> RelabeledMetricVec<M>

Equivalent to RelabeledMetricVec::with_metric_level.
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fn relabel_n( self, metric_level: MetricLevel, relabel_threshold: MetricLevel, relabel_num: usize, ) -> RelabeledMetricVec<M>

Equivalent to RelabeledMetricVec::with_metric_level_relabel_n.
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fn relabel_debug_1( self, relabel_threshold: MetricLevel, ) -> RelabeledMetricVec<M>

Equivalent to RelabeledMetricVec::with_metric_level_relabel_n with metric_level set to MetricLevel::Debug and relabel_num set to 1.
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impl<T> Pointable for T

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const ALIGN: usize = _

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<V> PrimaryKeyArity for V
where V: TryGetable,

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const ARITY: usize = 1usize

Arity of the Primary Key
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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T> TryGetableMany for T
where T: TryGetable,

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fn try_get_many( res: &QueryResult, pre: &str, cols: &[String], ) -> Result<T, TryGetError>

Get a tuple value from the query result with prefixed column name
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fn try_get_many_by_index(res: &QueryResult) -> Result<T, TryGetError>

Get a tuple value from the query result based on the order in the select expressions
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fn find_by_statement<C>( stmt: Statement, ) -> SelectorRaw<SelectGetableValue<Self, C>>
where C: IntoEnumIterator + Iden,

Read more
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a [WithDispatch] wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a [WithDispatch] wrapper. Read more
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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more
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impl<T> Allocation for T
where T: RefUnwindSafe + Send + Sync,

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impl<T> Allocation for T
where T: RefUnwindSafe + Send + Sync,

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impl<T> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,

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impl<T> DevConfig for T
where T: Send + Sync + 'static + Debug,

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impl<T> LruValue for T
where T: Send + Sync,

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impl<T> StorageValue for T
where T: Value + Serialize + DeserializeOwned,

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impl<T> Value for T
where T: Send + Sync + 'static,